The brittlement of boriding layer (bbl) was concerned with two sides as intrinsic attribute and techno-logical factors.Then there were four accesses to control the brittleness;

• 分析了产生渗硼层脆性的本质属性和工艺因素两个方面的原因,提出了控制渗硼层脆性的4种途径:多元渗硼、改进渗硼工艺方法、控制渗层相的组成及其结构、渗硼层的再处理。